<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true">
				<el-form-item>
					<el-input v-model="keyword" placeholder="请输入名字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="warning" v-on:click="keywordQuery">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表v-loading="listLoading"-->
		<el-table :data="tableDatas" v-loading="listLoading" @selection-change="handleSelectionChange" highlight-current-row
			style="width: 100%;">
			<!--多选框-->
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="70" label="序号">
			</el-table-column>
			<el-table-column prop="username" label="用户名" width="120">
			</el-table-column>
			<el-table-column prop="phone" label="手机号" width="150">
			</el-table-column>
			<el-table-column prop="email" label="邮箱" width="200">
			</el-table-column>
      <el-table-column prop="age" label="年龄" width="80">
      </el-table-column>
      <el-table-column label="状态" width="80">
        <template slot-scope="scope">
          <span v-if="scope.row.state==1" style="color: green">启用</span>
          <span v-else style="color: red">禁用</span>
        </template>
      </el-table-column>
      <el-table-column label="角色" width="200" show-overflow-tooltip>
        <template slot-scope="scope">
          {{scope.row.dbRoles.map(obj=>obj.name).toString()}}
        </template>
      </el-table-column>
			<el-table-column label="操作">
				<template slot-scope="scope">
					<el-button size="small" @click="handleEdit(scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>
		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" :disabled="this.sels.length === 0" @click="handlePatchDel">批量删除</el-button>
			<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="currentPage"
				:page-sizes="[5, 10, 15]" :page-size="pageSize" layout="total, sizes, prev, pager, next, jumper"
				:total="totals" style="float:right;">
			</el-pagination>
		</el-col>

		<!--添加或修改界面-->
		<el-dialog title="保存用户" :visible.sync="saveFormVisible" :close-on-click-modal="false">
			<el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
				<el-form-item label="用户名" prop="username">
					<el-input v-model="saveForm.username" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="手机号">
					<el-input v-model="saveForm.phone" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="邮箱">
					<el-input v-model="saveForm.email" auto-complete="off"></el-input>
				</el-form-item>
				<!-- 添加才显示密码框，修改不显示 -->
				<el-form-item label="登录密码" v-if="saveForm.id == null" prop="password">
					<el-input type="password" v-model="saveForm.password" auto-complete="off"></el-input>
				</el-form-item>
        <el-form-item label="年龄">
          <el-input v-model="saveForm.age" auto-complete="off"></el-input>
        </el-form-item>
				<el-form-item label="状态">
          <el-radio-group v-model="saveForm.state">
            <el-radio :label="1">启用</el-radio>
            <el-radio :label="0">禁用</el-radio>
          </el-radio-group>
				</el-form-item>
        <el-form-item label="员工角色">
          <el-select v-model="saveForm.roles" clearable multiple placeholder="请选择">
            <el-option v-for="item in options" :label="item.name" :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="saveFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="saveSubmit">提交</el-button>
			</div>
		</el-dialog>
	</section>
</template>

<script>

export default {
	data() {
		return {
			//1.分页查询相关数据
			totals: 0,//总记录条数
			currentPage: 1,//当前页,要传递到后台的
			pageSize: 5, //每页显示多少条
			tableDatas: [], //当前页数据
			listLoading: false,//加载框

			//2.高级查询相关数据
			keyword: '',

			//3.删除相关数据

			//4.批量删除相关数据
			sels: [], //存储多选记录

			//5.添加和修改相关数据
			saveFormVisible: false,
			saveForm: {
				id: null,
        username: '',
        phone: '',
				email: '',
				password: '', //后端需要通过md5加密
        age: null,
        state: 1, //- 前端没有传递 - 需要文件上传
        roles: [], //点击添加和修改选择了角色之后用于保存角色的id值
			},

			//6.添加和修改校验规则-表单项校验
			saveFormRules: {
        username: [
					{ required: true, message: '请输入用户名', trigger: 'blur' }
				],
				password: [
					{ required: true, message: '请输入登录密码', trigger: 'blur' }
				]
			},

      //7.查询所有角色
      options: []
		}
	},
	methods: {
		//1.分页查询相关方法
		//1.1.获取列表数据
		getTableData() {
			//1.组装参数
			let params = {
				currentPage: this.currentPage,
				pageSize: this.pageSize,
				keyword: this.keyword
			}
			this.listLoading = true;
			//2.发送请求
			this.$http.post("/employee",params).then(res=>{
				this.tableDatas = res.data.list;
				this.totals = res.data.total;
				this.listLoading = false;
			 })
		},
		//1.2.选择第几页时触发
		handleCurrentChange(currentPage) {
			this.currentPage = currentPage;
			this.getTableData();
		},
		//1.3.选择每页显示记录条数时触发
		handleSizeChange(pageSize) {
			this.pageSize = pageSize;
			this.getTableData();
		},

		//2.高级查询相关方法
		keywordQuery() {
			this.currentPage = 1;
			this.getTableData();
		},

		//3.删除相关方法
		handleDel(row) {
			this.$confirm('确定要删除当前数据吗?', '温馨提示', {
				confirmButtonText: '确定',
				cancelButtonText: '取消',
				type: 'warning'
			}).then(() => {//点确定走这里
				let id = row.id;
				this.$http.delete("/employee/"+id).then(res=>{
					if(res.data.success){
						this.$message.success("删除成功");
						this.getTableData();
					}else{
						this.$message.error("系统繁忙，请稍后重试 - 500");
					}
				}).catch(res=>{
					this.$message.error("系统繁忙，请稍后重试 - 400/404");
				})
			
			}).catch(() => {
				        
			});
		},


		//4.批量删除相关方法
		//4.1.选项改变时触发
		handleSelectionChange(val) {
			this.sels = val;
		},
		//4.2.批量删除
		handlePatchDel() {
			var ids = this.sels.map(obj => obj.id);
			this.$confirm('确定要删除选中数据吗?', '温馨提示', {
				confirmButtonText: '确定',
				cancelButtonText: '取消',
				type: 'warning'
			}).then(() => {//点确定走这里
				this.$http.patch("/employee",ids).then(res=>{
					if(res.data.success){
						this.$message.success("删除成功");
						this.getTableData();
					}else{
						this.$message.error("系统繁忙，请稍后重试 - 500");
					}
				}).catch(res=>{
					this.$message.error("系统繁忙，请稍后重试 - 400/404");
				})
			
			}).catch(() => {      
			});
		},

		//5.添加和修改相关方法
		//5.1.点击添加弹出对话框
		handleAdd() {
			this.saveForm = {
        id: null,
        username: '',
        phone: '',
        email: '',
        password: '', //后端需要通过md5加密
        age: null,
        state: 1, //- 前端没有传递 - 需要文件上传
        roles: [],
			};
      this.getRoles();
			this.saveFormVisible = true;
		},
		//5.2.点击修改弹出对话框
		handleEdit(row) {
			this.saveForm = Object.assign({},row); //深拷贝 - 浅拷贝
      this.getRoles();
      this.saveForm.roles = this.saveForm.dbRoles.map(obj=>obj.id);
			this.saveFormVisible = true;
		},
		//5.3.提交表单数据操作数据库
		saveSubmit() {
			//表单校验：只要有一个表单项校验失败，都返回false。只有所有表单项都校验成功，才会返回true
			this.$refs.saveForm.validate((valid) => {
				if(valid){
					this.$http.put("/employee",this.saveForm).then(res=>{
						if(res.data.success){
							this.$message.success("操作成功");
							this.getTableData();
						}else{
							this.$message.error("系统繁忙，请稍后重试 - 500");
						}
						this.saveFormVisible = false;
					}).catch(res=>{
						this.$message.error("系统繁忙，请稍后重试 - 400/404");
					})
				}else{
					this.$message.error("表单校验失败");
				}
			});
		},

    getRoles(){
      this.$http.get("/role").then(res=>{
        this.options = res.data;
      })
    }

	},
	mounted() {
		this.getTableData();
	}
}

</script>

<style scoped></style>
